Last updated: February 24, 2025
January in Hilo, United States presents a mild tropical climate, where average temperatures hover around 21°C (71°F). The month sees a maximum of 25°C (77°F) and a comfortable minimum of 18°C (65°F), making it perfect for those who enjoy moderate warmth. However, visitors should be prepared for significant rainfall, with an impressive precipitation total of 158 mm (6.2 in) over approximately 20 days. The city’s high humidity levels, averaging 79%, can add to the lush, vibrant atmosphere that characterizes this beautiful region.
In January, Hilo, United States, experiences mild temperatures that set the tone for its tropical climate. With a minimum of 18°C (65°F) and a cozy average of 21°C (71°F), the weather is pleasant, peaking at a comfortable 25°C (77°F). This month marks a transition into slightly warmer days, as seen in February, where the minimum dips slightly to 17°C (62°F) but the average remains steady. As the months progress, temperatures gradually rise, particularly noticeable in the peak summer months of July and August, reaching as high as 29°C (85°F). Overall, Hilo's January temperatures signal the start of a consistent warmth that persists throughout the year, providing a perfect backdrop for both outdoor adventures and relaxation.
In January, Hilo experiences a noteworthy precipitation total of 158 mm (6.2 in), setting the stage for a rain-soaked start to the year. With rain falling on approximately 20 days, the month marks the beginning of Hilo's wet season, though it remains relatively moderate compared to the subsequent months. February and March see a significant increase, with rainfall surging to 262 mm (10.3 in) and 225 mm (8.8 in) respectively, highlighting a clear upward trend that peaks mid-year. As the months progress, April to June bring a gradual decline in precipitation, but July and August bounce back, often averaging over 130 mm per month. The pattern hints at Hilo's tropical climate, characterized by a dance between heavy rains and brief dry spells, culminating in a relatively mild January that sets the rhythm for the months to come.
In January, Hilo experiences a humidity level of 79%, setting the tone for a month marked by the region's characteristic dampness. This humidity remains consistent through February, maintaining the same percentage, before dipping slightly to 77% in March. As spring approaches, humidity begins to rise again, peaking at 84% in August. The latter half of the year shows a gradual increase in moisture levels, with July, October, and November holding steady around 83%. This trend highlights Hilo's tropical climate, where humidity remains a significant feature year-round, fluctuating within a narrow range yet consistently creating an atmosphere of lushness and vitality. Overall, the January weather sets an inviting stage for Hilo's humid but delightful environment.
In Hilo, United States, January marks the beginning of a dramatic ultraviolet (UV) journey, with a UV Index of 8, categorized as very high, indicating a burn time of only 15 minutes. As the year progresses, the UV Index rises significantly, peaking in July and August at 14, which falls into the extreme exposure category, with a rapid burn time of just 10 minutes. This trend of escalating UV levels continues until October, before tapering off again in the last quarter of the year, leading back to a UV Index of 8 in December. Such fluctuations highlight the importance of sun safety practices, especially during the spring and summer months. For more detailed information, visit Hilo UV Index.
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In Hilo, United States, January marks the onset of the year with 212 hours of sunshine, setting the stage for a steady increase as the months progress. By February, the sun shines a bit brighter with 244 hours, hinting at the approaching warmth. As spring unfolds, March and April exhibit a delightful upward trend, peaking at 284 hours in April. With the arrival of summer, sunshine hours ascend to an impressive 331 hours in June, reaching a zenith of 339 hours in July. The abundance of sunlight gradually tapers off in the late summer and autumn months, with September still showcasing a healthy 305 hours. By December, Hilo finishes the year with 252 hours, maintaining a pleasant glow despite the seasonal shift. Overall, Hilo's sunshine patterns reveal a captivating crescendo during the summer, making it a perfect destination for sun lovers.
In Hilo, January offers a 41% chance of sunny weather, marking the beginning of the year with a moderately promising forecast. This likelihood is slightly lower compared to February's 47%, where the sun seems to take a more prominent role. However, as we transition into the spring months, there's a noticeable dip with March at 36%, showcasing the variability in Hilo's weather patterns. April nudges back up slightly to 42%, while May holds steady at 41%, indicating a resilient trend of sunny possibilities. Interestingly, mid-year brings a drop in sunshine likelihood with July plummeting to 31%, hinting at the region's rich tropical nuances. As the year progresses, anticipations of sunny days seem to fluctuate, with the late summer and fall months, like August at 45% and October and November both at 43%, providing more favorable odds. Yet, December concludes the year on a somber note with only 27%, reminding us that even in paradise, sunshine can be elusive.
In Hilo, January marks the onset of slightly longer days, offering around 11 hours of daylight. This duration remains consistent for February, but as spring approaches in March, daylight extends to 12 hours, continuing into April. By the time May and June arrive, residents can enjoy the peak of summer brightness with 13 hours of sunlight. This trend of longer days holds steady through July before gradually tapering off in August and September back to 12 hours. As autumn sets in, October and November bring a return to 11 hours, culminating in December with just 10 hours of daylight. The rhythm of Hilo's daylight hours not only reflects the changing seasons but also captures the vibrant essence of life in this tropical paradise.
In Hilo, United States, January ushers in a gentle breeze with an average wind speed of 2.9 m/s (6 mph), which sets a calm tone for the start of the year. As winter transitions into spring, the winds pick up slightly, peaking at 3.5 m/s (8 mph) in March before moderating again in April. Interestingly, this trend of fluctuating wind speeds continues throughout the year, with February and December mirroring higher averages of 3.3 m/s (7 mph) and 3.4 m/s (8 mph) respectively, providing bursts of freshness. Meanwhile, the summer months see a slight dip, with July reaching just 3.0 m/s (7 mph), only to revive again in late fall. Overall, the pattern reflects a consistent yet varying dance of winds, reminding residents that Hilo's breezes are as dynamic as the seasons themselves.
The weather in Hilo changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of January's weather with other months, highlighting differences in temperature, precipitation, and other key factors. Click on each section to discover seasonal trends in Hilo and find detailed weather information for every month.
In comparing the weather of January and February, we find that both months have similar average temperatures, with January experiencing a minimum of 18°C (65°F) and an average of 21°C (71°F), while February has a slightly lower minimum of 17°C (62°F) but a marginally higher maximum of 26°C (79°F). Precipitation, however, is notably higher in February, with 262 mm (10.3 in) over 23 days, compared to January's 158 mm (6.2 in) over 20 days. Humidity levels remain consistent at 79% for both months, ensuring a tropical feel for residents and visitors alike. For a closer look at the specifics of Hilo weather during this time, check out Hilo weather in February.
In January, the weather features relatively mild temperatures, with a minimum of 18°C (65°F) and a maximum reaching 25°C (77°F). This month experiences significant rainfall, totaling 158 mm (6.2 in) spread over about 20 days, while humidity levels hover around 79%. In contrast, March shows a slightly warmer average with temperatures ranging from 17°C (64°F) to a maximum of 26°C (78°F). However, it also sees more precipitation, totaling 225 mm (8.8 in) across 26 days, and a marginally lower humidity of 77%. For more detailed insights, you can check Hilo weather in March.
In comparing January and April weather, both months start with a minimum temperature of 18°C (65°F), but April brings slightly warmer averages, hovering around 22°C (71°F) compared to January's average of 21°C (71°F). Daytime maximums also see a modest increase, with April reaching up to 26°C (80°F) versus January's 25°C (77°F). However, April experiences more precipitation, totaling 195 mm (7.7 in) over 25 days, while January has 158 mm (6.2 in) over just 20 days. Humidity remains consistently high, slightly increasing from 79% in January to 80% in April. For more detailed information, you can check Hilo weather in April.
In comparing January and May weather, we observe that both months have similar warm temperatures, with January's average at 21°C (71°F) and May's at 22°C (73°F). January experiences a slightly wider range, with a maximum temperature of 25°C (77°F), while May peaks at 26°C (79°F). Precipitation is relatively high in both months, with January receiving 158 mm (6.2 in) over 20 days and May slightly higher at 166 mm (6.5 in) over 27 days. Humidity remains consistent, with January at 79% and May at 80%. For more details, you can read about Hilo weather in May.
In January, temperatures in Hilo range from a minimum of 18°C (65°F) to a maximum of 25°C (77°F), with an average temperature of 21°C (71°F). The month is characterized by considerable rainfall, totaling 158 mm (6.2 in), spread over 20 days, and a humidity level of 79%. In contrast, June sees slightly warmer temperatures, with a minimum of 20°C (69°F) and a maximum of 27°C (80°F), averaging 23°C (74°F). While June has a lower total precipitation of 106 mm (4.2 in) over 25 rainy days, the humidity is marginally higher at 82%. For more information on Hilo weather during June, visit Hilo weather in June.
In comparison to January, July in Hilo experiences slightly warmer temperatures, with average highs reaching 29°C (85°F) compared to January's maximum of 25°C (77°F). The minimum temperatures are also higher in July, starting at 21°C (70°F) rather than January's 18°C (65°F). In terms of precipitation, July sees less rainfall overall, with 131 mm (5.1 in) versus January's 158 mm (6.2 in), although it rains for more days in July—28 days compared to January's 20. Humidity is slightly elevated in July at 83%, compared to 79% in January. For more details, check out Hilo weather in July.
In January, the weather tends to be milder with temperatures ranging from a minimum of 18°C (65°F) to a maximum of 25°C (77°F), averaging at 21°C (71°F). The month experiences significant rainfall, with 158 mm (6.2 in) of precipitation recorded over about 20 days, contributing to an humidity level of 79%. In contrast, August is slightly warmer, with minimum temperatures around 21°C (70°F) and a maximum of 27°C (82°F), yielding an average temperature of 24°C (75°F). August also sees increased rainfall, totaling 197 mm (7.8 in) across 27 days, leading to a higher humidity level of 84%. For more details, you can check out Hilo weather in August.
In January, Hilo experiences milder temperatures, with averages around 21°C (71°F) and maximums reaching 25°C (77°F), while September sees warmer averages of 24°C (76°F) and highs of 28°C (82°F). Although January has higher precipitation at 158 mm (6.2 inches) over 20 days, September receives less rainfall at 108 mm (4.3 inches) over 24 days. Additionally, humidity levels are comparable, with January at 79% and September slightly higher at 82%. For a closer look at what to expect in September, check out Hilo weather in September.
In January, the weather is relatively mild, with average temperatures ranging from a minimum of 18°C (65°F) to a maximum of 25°C (77°F). The month experiences significant rainfall, totaling 158 mm (6.2 in) over about 20 days, and humidity levels hover around 79%. In contrast, October is slightly warmer, with temperatures averaging between 20°C (69°F) and 28°C (82°F), and it also sees an increase in precipitation, totaling 189 mm (7.4 in) over 23 days, accompanied by a modest rise in humidity to 83%. For more specifics on October weather in Hilo, you can check Hilo weather in October.
In comparing January and November weather, we see that January has slightly cooler temperatures, with an average of 21°C (71°F) compared to November's warmer average of 23°C (74°F). Both months experience significant rainfall, with January recording 158 mm (6.2 in) over 20 days, while November has a comparable 153 mm (6.0 in) over 24 days. Humidity levels are also slightly higher in November at 83%, compared to January's 79%. Overall, both months are relatively wet and warm, but November offers a bit more warmth and humidity. For a more detailed look at November in Hilo, you can visit Hilo weather in November.
When comparing the weather in January to December, we can observe some notable differences. Both months have similar minimum temperatures, averaging around 18°C (65°F), but January tends to be slightly cooler overall, with an average temperature of 21°C (71°F) compared to December's 22°C (71°F). December generally experiences more rainfall, with a total of 228 mm (9.0 in) over 24 days, while January sees 158 mm (6.2 in) over 20 days. Additionally, December has a slightly higher humidity level at 81%, compared to January's 79%. For more detailed information, you can check out Hilo weather in December.
As January rolls around in Hilo, the weather showcases a blend of tropical warmth and notable humidity, setting it apart from other months. While temperatures remain comfortably mild, the month stands out due to its significant rainfall, contributing to lush landscapes and vibrant greenery. The average humidity of 79% often makes days feel more tropical, inviting a unique ambiance. With approximately 20 days of rain, January's wet conditions are a hallmark of Hilo’s climate, emphasizing its reputation as one of the rainiest places on Earth. For those looking to understand more about how these weather patterns evolve throughout the year, check out Hilo Climate.